Pulsed energy-time enangled twin-photon source for quantum communication

被引：568

作者：

Brendel, J ^{[1
]}

Gisin, N ^{[1
]}

Tittel, W ^{[1
]}

Zbinden, H ^{[1
]}

机构：

[1] Univ Geneva, Appl Phys Grp, CH-1211 Geneva 4, Switzerland

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.82.2594

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A pulsed source of energy-time entangled photon pairs pumped by a standard laser diode is proposed and demonstrated. The basic states can be distinguished by their time of arrival. This greatly simplifies the realization of 2-photon quantum cryptography, Bell state analyzers, quantum teleportation, dense coding, entanglement swapping, GHZ-states sources, etc. Moreover, the entanglement is well protected during photon propagation in telecom optical fibers, opening the door to few-photon applications of quantum communication over long distances. [S0031-9007(99)08777-3].

引用

页码：2594 / 2597

页数：4

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